package com.weed.jdbc;

// $Id: ResultSetWrapper.java 5685 2005-02-12 07:19:50Z steveebersole $


import java.io.InputStream;
import java.io.Reader;
import java.math.BigDecimal;
import java.net.URL;
import java.sql.Array;
import java.sql.Blob;
import java.sql.Clob;
import java.sql.Date;
import java.sql.NClob;
import java.sql.Ref;
import java.sql.ResultSet;
import java.sql.ResultSetMetaData;
import java.sql.RowId;
import java.sql.SQLException;
import java.sql.SQLWarning;
import java.sql.SQLXML;
import java.sql.Statement;
import java.sql.Time;
import java.sql.Timestamp;
import java.util.Calendar;
import java.util.Map;

/**
 * A ResultSet delegate, responsible for locally caching the columnName-to-columnIndex
 * resolution that has been found to be inefficient in a few vendor's drivers (i.e., Oracle
 * and Postgres).
 *
 * @author Steve Ebersole
 */
public class ResultSetWrapper
    implements ResultSet {

  private ResultSet rs;
  private ColumnNameCache columnNameCache;

  public ResultSetWrapper(ResultSet resultSet, ColumnNameCache columnNameCache) {
    this.rs = resultSet;
    this.columnNameCache = columnNameCache;
  }

  /*package*/ ResultSet getTarget() {
    return rs;
  }

  // ResultSet impl ("overridden") ~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~

  /**
   * Overridden version to utilize local caching of the column indexes by name
   * to improve performance for those drivers which are known to not support
   * such caching by themselves.
   * <p/>
   * This implementation performs the caching based on the upper case version
   * of the given column name.
   *
   * @param columnName The column name to resolve into an index.
   * @return The column index corresponding to the given column name.
   * @throws SQLException - if the ResultSet object does not contain
   * columnName or a database access error occurs
   */
  public int findColumn(String columnName) throws SQLException {
    return columnNameCache.getIndexForColumnName(columnName, this);
  }

  public Array getArray(String colName) throws SQLException {
    return rs.getArray(findColumn(colName));
  }

  public void updateArray(String columnName, Array x) throws SQLException {
    rs.updateArray(findColumn(columnName), x);
  }

  public InputStream getAsciiStream(String columnName) throws SQLException {
    return rs.getAsciiStream(findColumn(columnName));
  }

  public void updateAsciiStream(String columnName, InputStream x, int length) throws
      SQLException {
    rs.updateAsciiStream(findColumn(columnName), x, length);
  }

  public BigDecimal getBigDecimal(String columnName) throws SQLException {
    return rs.getBigDecimal(findColumn(columnName));
  }

  public BigDecimal getBigDecimal(String columnName, int scale) throws
      SQLException {
    return rs.getBigDecimal(findColumn(columnName), scale);
  }

  public void updateBigDecimal(String columnName, BigDecimal x) throws
      SQLException {
    rs.updateBigDecimal(findColumn(columnName), x);
  }

  public InputStream getBinaryStream(String columnName) throws SQLException {
    return rs.getBinaryStream(findColumn(columnName));
  }

  public void updateBinaryStream(String columnName, InputStream x, int length) throws
      SQLException {
    rs.updateBinaryStream(findColumn(columnName), x, length);
  }

  public Blob getBlob(String columnName) throws SQLException {
    return rs.getBlob(findColumn(columnName));
  }

  public void updateBlob(String columnName, Blob x) throws SQLException {
    rs.updateBlob(findColumn(columnName), x);
  }

  public boolean getBoolean(String columnName) throws SQLException {
    return rs.getBoolean(findColumn(columnName));
  }

  public void updateBoolean(String columnName, boolean x) throws SQLException {
    rs.updateBoolean(findColumn(columnName), x);
  }

  public byte getByte(String columnName) throws SQLException {
    return rs.getByte(findColumn(columnName));
  }

  public void updateByte(String columnName, byte x) throws SQLException {
    rs.updateByte(findColumn(columnName), x);
  }

  public byte[] getBytes(String columnName) throws SQLException {
    return rs.getBytes(findColumn(columnName));
  }

  public void updateBytes(String columnName, byte[] x) throws SQLException {
    rs.updateBytes(findColumn(columnName), x);
  }

  public Reader getCharacterStream(String columnName) throws SQLException {
    return rs.getCharacterStream(findColumn(columnName));
  }

  public void updateCharacterStream(String columnName, Reader x, int length) throws
      SQLException {
    rs.updateCharacterStream(findColumn(columnName), x, length);
  }

  public Clob getClob(String columnName) throws SQLException {
    return rs.getClob(findColumn(columnName));
  }

  public void updateClob(String columnName, Clob x) throws SQLException {
    rs.updateClob(findColumn(columnName), x);
  }

  public Date getDate(String columnName) throws SQLException {
    return rs.getDate(findColumn(columnName));
  }

  public Date getDate(String columnName, Calendar cal) throws SQLException {
    return rs.getDate(findColumn(columnName), cal);
  }

  public void updateDate(String columnName, Date x) throws SQLException {
    rs.updateDate(findColumn(columnName), x);
  }

  public double getDouble(String columnName) throws SQLException {
    return rs.getDouble(findColumn(columnName));
  }

  public void updateDouble(String columnName, double x) throws SQLException {
    rs.updateDouble(findColumn(columnName), x);
  }

  public float getFloat(String columnName) throws SQLException {
    return rs.getFloat(findColumn(columnName));
  }

  public void updateFloat(String columnName, float x) throws SQLException {
    rs.updateFloat(findColumn(columnName), x);
  }

  public int getInt(String columnName) throws SQLException {
    return rs.getInt(findColumn(columnName));
  }

  public void updateInt(String columnName, int x) throws SQLException {
    rs.updateInt(findColumn(columnName), x);
  }

  public long getLong(String columnName) throws SQLException {
    return rs.getLong(findColumn(columnName));
  }

  public void updateLong(String columnName, long x) throws SQLException {
    rs.updateLong(findColumn(columnName), x);
  }

  public Object getObject(String columnName) throws SQLException {
    return rs.getObject(findColumn(columnName));
  }

  public Object getObject(String columnName, Map map) throws SQLException {
    return rs.getObject(findColumn(columnName), map);
  }

  public void updateObject(String columnName, Object x) throws SQLException {
    rs.updateObject(findColumn(columnName), x);
  }

  public void updateObject(String columnName, Object x, int scale) throws
      SQLException {
    rs.updateObject(findColumn(columnName), x, scale);
  }

  public Ref getRef(String columnName) throws SQLException {
    return rs.getRef(findColumn(columnName));
  }

  public void updateRef(String columnName, Ref x) throws SQLException {
    rs.updateRef(findColumn(columnName), x);
  }

  public short getShort(String columnName) throws SQLException {
    return rs.getShort(findColumn(columnName));
  }

  public void updateShort(String columnName, short x) throws SQLException {
    rs.updateShort(findColumn(columnName), x);
  }

  public String getString(String columnName) throws SQLException {
    return rs.getString(findColumn(columnName));
  }

  public void updateString(String columnName, String x) throws SQLException {
    rs.updateString(findColumn(columnName), x);
  }

  public Time getTime(String columnName) throws SQLException {
    return rs.getTime(findColumn(columnName));
  }

  public Time getTime(String columnName, Calendar cal) throws SQLException {
    return rs.getTime(findColumn(columnName), cal);
  }

  public void updateTime(String columnName, Time x) throws SQLException {
    rs.updateTime(findColumn(columnName), x);
  }

  public Timestamp getTimestamp(String columnName) throws SQLException {
    return rs.getTimestamp(findColumn(columnName));
  }

  public void updateTimestamp(String columnName, Timestamp x) throws
      SQLException {
    rs.updateTimestamp(findColumn(columnName), x);
  }

  public Timestamp getTimestamp(String columnName, Calendar cal) throws
      SQLException {
    return rs.getTimestamp(findColumn(columnName), cal);
  }

  public InputStream getUnicodeStream(String columnName) throws SQLException {
    return rs.getUnicodeStream(findColumn(columnName));
  }

  public URL getURL(String columnName) throws SQLException {
    return rs.getURL(findColumn(columnName));
  }

  public void updateNull(String columnName) throws SQLException {
    rs.updateNull(findColumn(columnName));
  }

  // ResultSet impl (delegated) ~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~

  public int getConcurrency() throws SQLException {
    return rs.getConcurrency();
  }

  public int getFetchDirection() throws SQLException {
    return rs.getFetchDirection();
  }

  public int getFetchSize() throws SQLException {
    return rs.getFetchSize();
  }

  public int getRow() throws SQLException {
    return rs.getRow();
  }

  public int getType() throws SQLException {
    return rs.getType();
  }

  public void afterLast() throws SQLException {
    rs.afterLast();
  }

  public void beforeFirst() throws SQLException {
    rs.beforeFirst();
  }

  public void cancelRowUpdates() throws SQLException {
    rs.cancelRowUpdates();
  }

  public void clearWarnings() throws SQLException {
    rs.clearWarnings();
  }

  public void close() throws SQLException {
    rs.close();
  }

  public void deleteRow() throws SQLException {
    rs.deleteRow();
  }

  public void insertRow() throws SQLException {
    rs.insertRow();
  }

  public void moveToCurrentRow() throws SQLException {
    rs.moveToCurrentRow();
  }

  public void moveToInsertRow() throws SQLException {
    rs.moveToInsertRow();
  }

  public void refreshRow() throws SQLException {
    rs.refreshRow();
  }

  public void updateRow() throws SQLException {
    rs.updateRow();
  }

  public boolean first() throws SQLException {
    return rs.first();
  }

  public boolean isAfterLast() throws SQLException {
    return rs.isAfterLast();
  }

  public boolean isBeforeFirst() throws SQLException {
    return rs.isBeforeFirst();
  }

  public boolean isFirst() throws SQLException {
    return rs.isFirst();
  }

  public boolean isLast() throws SQLException {
    return rs.isLast();
  }

  public boolean last() throws SQLException {
    return rs.last();
  }

  public boolean next() throws SQLException {
    return rs.next();
  }

  public boolean previous() throws SQLException {
    return rs.previous();
  }

  public boolean rowDeleted() throws SQLException {
    return rs.rowDeleted();
  }

  public boolean rowInserted() throws SQLException {
    return rs.rowInserted();
  }

  public boolean rowUpdated() throws SQLException {
    return rs.rowUpdated();
  }

  public boolean wasNull() throws SQLException {
    return rs.wasNull();
  }

  public byte getByte(int columnIndex) throws SQLException {
    return rs.getByte(columnIndex);
  }

  public double getDouble(int columnIndex) throws SQLException {
    return rs.getDouble(columnIndex);
  }

  public float getFloat(int columnIndex) throws SQLException {
    return rs.getFloat(columnIndex);
  }

  public int getInt(int columnIndex) throws SQLException {
    return rs.getInt(columnIndex);
  }

  public long getLong(int columnIndex) throws SQLException {
    return rs.getLong(columnIndex);
  }

  public short getShort(int columnIndex) throws SQLException {
    return rs.getShort(columnIndex);
  }

  public void setFetchDirection(int direction) throws SQLException {
    rs.setFetchDirection(direction);
  }

  public void setFetchSize(int rows) throws SQLException {
    rs.setFetchSize(rows);
  }

  public void updateNull(int columnIndex) throws SQLException {
    rs.updateNull(columnIndex);
  }

  public boolean absolute(int row) throws SQLException {
    return rs.absolute(row);
  }

  public boolean getBoolean(int columnIndex) throws SQLException {
    return rs.getBoolean(columnIndex);
  }

  public boolean relative(int rows) throws SQLException {
    return rs.relative(rows);
  }

  public byte[] getBytes(int columnIndex) throws SQLException {
    return rs.getBytes(columnIndex);
  }

  public void updateByte(int columnIndex, byte x) throws SQLException {
    rs.updateByte(columnIndex, x);
  }

  public void updateDouble(int columnIndex, double x) throws SQLException {
    rs.updateDouble(columnIndex, x);
  }

  public void updateFloat(int columnIndex, float x) throws SQLException {
    rs.updateFloat(columnIndex, x);
  }

  public void updateInt(int columnIndex, int x) throws SQLException {
    rs.updateInt(columnIndex, x);
  }

  public void updateLong(int columnIndex, long x) throws SQLException {
    rs.updateLong(columnIndex, x);
  }

  public void updateShort(int columnIndex, short x) throws SQLException {
    rs.updateShort(columnIndex, x);
  }

  public void updateBoolean(int columnIndex, boolean x) throws SQLException {
    rs.updateBoolean(columnIndex, x);
  }

  public void updateBytes(int columnIndex, byte[] x) throws SQLException {
    rs.updateBytes(columnIndex, x);
  }

  public InputStream getAsciiStream(int columnIndex) throws SQLException {
    return rs.getAsciiStream(columnIndex);
  }

  public InputStream getBinaryStream(int columnIndex) throws SQLException {
    return rs.getBinaryStream(columnIndex);
  }

  public InputStream getUnicodeStream(int columnIndex) throws SQLException {
    return rs.getUnicodeStream(columnIndex);
  }

  public void updateAsciiStream(int columnIndex, InputStream x, int length) throws
      SQLException {
    rs.updateAsciiStream(columnIndex, x, length);
  }

  public void updateBinaryStream(int columnIndex, InputStream x, int length) throws
      SQLException {
    rs.updateBinaryStream(columnIndex, x, length);
  }

  public Reader getCharacterStream(int columnIndex) throws SQLException {
    return rs.getCharacterStream(columnIndex);
  }

  public void updateCharacterStream(int columnIndex, Reader x, int length) throws
      SQLException {
    rs.updateCharacterStream(columnIndex, x, length);
  }

  public Object getObject(int columnIndex) throws SQLException {
    return rs.getObject(columnIndex);
  }

  public void updateObject(int columnIndex, Object x) throws SQLException {
    rs.updateObject(columnIndex, x);
  }

  public void updateObject(int columnIndex, Object x, int scale) throws
      SQLException {
    rs.updateObject(columnIndex, x, scale);
  }

  public String getCursorName() throws SQLException {
    return rs.getCursorName();
  }

  public String getString(int columnIndex) throws SQLException {
    return rs.getString(columnIndex);
  }

  public void updateString(int columnIndex, String x) throws SQLException {
    rs.updateString(columnIndex, x);
  }

  public BigDecimal getBigDecimal(int columnIndex) throws SQLException {
    return rs.getBigDecimal(columnIndex);
  }

  public BigDecimal getBigDecimal(int columnIndex, int scale) throws
      SQLException {
    return rs.getBigDecimal(columnIndex, scale);
  }

  public void updateBigDecimal(int columnIndex, BigDecimal x) throws
      SQLException {
    rs.updateBigDecimal(columnIndex, x);
  }

  public URL getURL(int columnIndex) throws SQLException {
    return rs.getURL(columnIndex);
  }

  public Array getArray(int columnIndex) throws SQLException {
    return rs.getArray(columnIndex);
  }

  public void updateArray(int columnIndex, Array x) throws SQLException {
    rs.updateArray(columnIndex, x);
  }

  public Blob getBlob(int columnIndex) throws SQLException {
    return rs.getBlob(columnIndex);
  }

  public void updateBlob(int columnIndex, Blob x) throws SQLException {
    rs.updateBlob(columnIndex, x);
  }

  public Clob getClob(int columnIndex) throws SQLException {
    return rs.getClob(columnIndex);
  }

  public void updateClob(int columnIndex, Clob x) throws SQLException {
    rs.updateClob(columnIndex, x);
  }

  public Date getDate(int columnIndex) throws SQLException {
    return rs.getDate(columnIndex);
  }

  public void updateDate(int columnIndex, Date x) throws SQLException {
    rs.updateDate(columnIndex, x);
  }

  public Ref getRef(int columnIndex) throws SQLException {
    return rs.getRef(columnIndex);
  }

  public void updateRef(int columnIndex, Ref x) throws SQLException {
    rs.updateRef(columnIndex, x);
  }

  public ResultSetMetaData getMetaData() throws SQLException {
    return rs.getMetaData();
  }

  public SQLWarning getWarnings() throws SQLException {
    return rs.getWarnings();
  }

  public Statement getStatement() throws SQLException {
    return rs.getStatement();
  }

  public Time getTime(int columnIndex) throws SQLException {
    return rs.getTime(columnIndex);
  }

  public void updateTime(int columnIndex, Time x) throws SQLException {
    rs.updateTime(columnIndex, x);
  }

  public Timestamp getTimestamp(int columnIndex) throws SQLException {
    return rs.getTimestamp(columnIndex);
  }

  public void updateTimestamp(int columnIndex, Timestamp x) throws SQLException {
    rs.updateTimestamp(columnIndex, x);
  }

  public Object getObject(int columnIndex, Map map) throws SQLException {
    return rs.getObject(columnIndex, map);
  }

  public Date getDate(int columnIndex, Calendar cal) throws SQLException {
    return rs.getDate(columnIndex, cal);
  }

  public Time getTime(int columnIndex, Calendar cal) throws SQLException {
    return rs.getTime(columnIndex, cal);
  }

  public Timestamp getTimestamp(int columnIndex, Calendar cal) throws
      SQLException {
    return rs.getTimestamp(columnIndex, cal);
  }

    @Override
    public RowId getRowId(int columnIndex) throws SQLException {
        throw new UnsupportedOperationException("Not supported yet.");
    }

    @Override
    public RowId getRowId(String columnLabel) throws SQLException {
        throw new UnsupportedOperationException("Not supported yet.");
    }

    @Override
    public void updateRowId(int columnIndex, RowId x) throws SQLException {
        throw new UnsupportedOperationException("Not supported yet.");
    }

    @Override
    public void updateRowId(String columnLabel, RowId x) throws SQLException {
        throw new UnsupportedOperationException("Not supported yet.");
    }

    @Override
    public int getHoldability() throws SQLException {
        throw new UnsupportedOperationException("Not supported yet.");
    }

    @Override
    public boolean isClosed() throws SQLException {
        throw new UnsupportedOperationException("Not supported yet.");
    }

    @Override
    public void updateNString(int columnIndex, String nString) throws SQLException {
        throw new UnsupportedOperationException("Not supported yet.");
    }

    @Override
    public void updateNString(String columnLabel, String nString) throws SQLException {
        throw new UnsupportedOperationException("Not supported yet.");
    }

    @Override
    public void updateNClob(int columnIndex, NClob nClob) throws SQLException {
        throw new UnsupportedOperationException("Not supported yet.");
    }

    @Override
    public void updateNClob(String columnLabel, NClob nClob) throws SQLException {
        throw new UnsupportedOperationException("Not supported yet.");
    }

    @Override
    public NClob getNClob(int columnIndex) throws SQLException {
        throw new UnsupportedOperationException("Not supported yet.");
    }

    @Override
    public NClob getNClob(String columnLabel) throws SQLException {
        throw new UnsupportedOperationException("Not supported yet.");
    }

    @Override
    public SQLXML getSQLXML(int columnIndex) throws SQLException {
        throw new UnsupportedOperationException("Not supported yet.");
    }

    @Override
    public SQLXML getSQLXML(String columnLabel) throws SQLException {
        throw new UnsupportedOperationException("Not supported yet.");
    }

    @Override
    public void updateSQLXML(int columnIndex, SQLXML xmlObject) throws SQLException {
        throw new UnsupportedOperationException("Not supported yet.");
    }

    @Override
    public void updateSQLXML(String columnLabel, SQLXML xmlObject) throws SQLException {
        throw new UnsupportedOperationException("Not supported yet.");
    }

    @Override
    public String getNString(int columnIndex) throws SQLException {
        throw new UnsupportedOperationException("Not supported yet.");
    }

    @Override
    public String getNString(String columnLabel) throws SQLException {
        throw new UnsupportedOperationException("Not supported yet.");
    }

    @Override
    public Reader getNCharacterStream(int columnIndex) throws SQLException {
        throw new UnsupportedOperationException("Not supported yet.");
    }

    @Override
    public Reader getNCharacterStream(String columnLabel) throws SQLException {
        throw new UnsupportedOperationException("Not supported yet.");
    }

    @Override
    public void updateNCharacterStream(int columnIndex, Reader x, long length) throws SQLException {
        throw new UnsupportedOperationException("Not supported yet.");
    }

    @Override
    public void updateNCharacterStream(String columnLabel, Reader reader, long length) throws SQLException {
        throw new UnsupportedOperationException("Not supported yet.");
    }

    @Override
    public void updateAsciiStream(int columnIndex, InputStream x, long length) throws SQLException {
        throw new UnsupportedOperationException("Not supported yet.");
    }

    @Override
    public void updateBinaryStream(int columnIndex, InputStream x, long length) throws SQLException {
        throw new UnsupportedOperationException("Not supported yet.");
    }

    @Override
    public void updateCharacterStream(int columnIndex, Reader x, long length) throws SQLException {
        throw new UnsupportedOperationException("Not supported yet.");
    }

    @Override
    public void updateAsciiStream(String columnLabel, InputStream x, long length) throws SQLException {
        throw new UnsupportedOperationException("Not supported yet.");
    }

    @Override
    public void updateBinaryStream(String columnLabel, InputStream x, long length) throws SQLException {
        throw new UnsupportedOperationException("Not supported yet.");
    }

    @Override
    public void updateCharacterStream(String columnLabel, Reader reader, long length) throws SQLException {
        throw new UnsupportedOperationException("Not supported yet.");
    }

    @Override
    public void updateBlob(int columnIndex, InputStream inputStream, long length) throws SQLException {
        throw new UnsupportedOperationException("Not supported yet.");
    }

    @Override
    public void updateBlob(String columnLabel, InputStream inputStream, long length) throws SQLException {
        throw new UnsupportedOperationException("Not supported yet.");
    }

    @Override
    public void updateClob(int columnIndex, Reader reader, long length) throws SQLException {
        throw new UnsupportedOperationException("Not supported yet.");
    }

    @Override
    public void updateClob(String columnLabel, Reader reader, long length) throws SQLException {
        throw new UnsupportedOperationException("Not supported yet.");
    }

    @Override
    public void updateNClob(int columnIndex, Reader reader, long length) throws SQLException {
        throw new UnsupportedOperationException("Not supported yet.");
    }

    @Override
    public void updateNClob(String columnLabel, Reader reader, long length) throws SQLException {
        throw new UnsupportedOperationException("Not supported yet.");
    }

    @Override
    public void updateNCharacterStream(int columnIndex, Reader x) throws SQLException {
        throw new UnsupportedOperationException("Not supported yet.");
    }

    @Override
    public void updateNCharacterStream(String columnLabel, Reader reader) throws SQLException {
        throw new UnsupportedOperationException("Not supported yet.");
    }

    @Override
    public void updateAsciiStream(int columnIndex, InputStream x) throws SQLException {
        throw new UnsupportedOperationException("Not supported yet.");
    }

    @Override
    public void updateBinaryStream(int columnIndex, InputStream x) throws SQLException {
        throw new UnsupportedOperationException("Not supported yet.");
    }

    @Override
    public void updateCharacterStream(int columnIndex, Reader x) throws SQLException {
        throw new UnsupportedOperationException("Not supported yet.");
    }

    @Override
    public void updateAsciiStream(String columnLabel, InputStream x) throws SQLException {
        throw new UnsupportedOperationException("Not supported yet.");
    }

    @Override
    public void updateBinaryStream(String columnLabel, InputStream x) throws SQLException {
        throw new UnsupportedOperationException("Not supported yet.");
    }

    @Override
    public void updateCharacterStream(String columnLabel, Reader reader) throws SQLException {
        throw new UnsupportedOperationException("Not supported yet.");
    }

    @Override
    public void updateBlob(int columnIndex, InputStream inputStream) throws SQLException {
        throw new UnsupportedOperationException("Not supported yet.");
    }

    @Override
    public void updateBlob(String columnLabel, InputStream inputStream) throws SQLException {
        throw new UnsupportedOperationException("Not supported yet.");
    }

    @Override
    public void updateClob(int columnIndex, Reader reader) throws SQLException {
        throw new UnsupportedOperationException("Not supported yet.");
    }

    @Override
    public void updateClob(String columnLabel, Reader reader) throws SQLException {
        throw new UnsupportedOperationException("Not supported yet.");
    }

    @Override
    public void updateNClob(int columnIndex, Reader reader) throws SQLException {
        throw new UnsupportedOperationException("Not supported yet.");
    }

    @Override
    public void updateNClob(String columnLabel, Reader reader) throws SQLException {
        throw new UnsupportedOperationException("Not supported yet.");
    }

    @Override
    public <T> T unwrap(Class<T> iface) throws SQLException {
        throw new UnsupportedOperationException("Not supported yet.");
    }

    @Override
    public boolean isWrapperFor(Class<?> iface) throws SQLException {
        throw new UnsupportedOperationException("Not supported yet.");
    }
}

